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(11)

EP 4 158 813 A1

(12)

(43) Date of publication: 05.04.2023 Bulletin 2023/14 (21) Application number: 21733609.8 (22) Date of filing: 21.05.2021

(51) International Patent Classification (IPC):  H04L 1/00(2006.01) H04L 27/26(2006.01) H04L 5/00(2006.01) (52) Cooperative Patent Classification (CPC): H04L 1/0003; H04L 1/0009; H04L 1/0015; H04L 1/0025; H04L 27/26025; H04W 74/0833; H04W 56/001 (86) International application number: PCT/US2021/033572 (87) International publication number: WO 2021/242626 (02.12.2021 Gazette 2021/48)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 24.05.2020 US 202063029538 P 20.05.2021 US 202117326291 (71) Applicant: QUALCOMM INCORPORATED San Diego, California 92121-1714 (US)

(72) Inventors: ZEWAIL, Ahmed Abdelaziz Ibrahim Abdelaziz San Diego, California 92121-1714 (US) ZHANG, Xiaoxia San Diego, California 92121-1714 (US) LUO, Tao San Diego, California 92121-1714 (US) FAN, Zhifei San Diego, California 92121-1714 (US) SUN, Jing San Diego, California 92121-1714 (US) NAM, Wooseok San Diego, California 92121-1714 (US) GURELLI, Mehmet Izzet San Diego, California 92121-1714 (US) (74) Representative: Tomkins & Co  5 Dartmouth Road Dublin 6, D06 F9C7 Dublin 6, D06 F9C7 (IE)